3M Hookit Disc 366L; 9-hole pattern

The 3M™ Hookit™ Microfinishing Film Disc 366L, 15 Mic 3MIL, Type D, Config delivers the highest precision and consistent quality for demanding sanding tasks. It was specifically designed to enable fine surface finishing with maximum control and reproducible results. With its 15-micron grit and a stable 3MIL polyester backing, it delivers a particularly uniform sanding finish with controlled material removal.

The proven 3M™ Hookit™ System ensures secure and quick attachment of the sanding disc. This makes it easy to change discs, making work processes more efficient and flexible. The uniform grain distribution and high-quality backing film ensure consistent sanding performance throughout the entire service life.

The 366L Microfinishing Film Disc is ideal for applications requiring the highest surface quality—such as when working with metal, paint, plastic, or composite materials. Thanks to its robust construction and durable backing film, the disc retains its shape even at high speeds and delivers consistent results.

Professional users in industry and trade appreciate the combination of durability, precision, and efficiency—perfect for the finest finishing work and demanding production processes.